US Bridges

IH Ramp IH 43 NB - over IH 794

Good

Milwaukee County, Wisconsin · 1.8M N STH59 · Structure no. B40113200000000

Built
2008
17 years old
Condition
Good
inspected August 2022
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
551 ft
4 main spans
Daily traffic
5,500
2022 count
Owner
State
State Highway Agency

About this bridge

IH Ramp IH 43 NB - over IH 794 is a steel continuous stringer/multi-beam or girder carrying IH Ramp IH 43 NB - over IH 794 in Milwaukee County, Wisconsin. It was built in 2008, so it is 17 years old, younger than the Wisconsin average of 40.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,500 vehicles a day, roughly 11% of them trucks, projected to reach 6,600 by 2042. The structure is 551 ft (167.9 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesIH Ramp IH 43 NB -
CrossesIH 794
Location1.8M N STH59
RouteInterstate 0
CountyMilwaukee County
StateWisconsin
Coordinates43.0348, -87.92308
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.4 US tons
Inventory rating44.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 25 or greater
Structure length551 ft (167.9 m)
Longest span165 ft (50.3 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deck17 ft (5.2 m)

Traffic and service

Average daily traffic5,500 (2022)
Projected traffic6,600 by 2042
Trucks11%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$3.2 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was IH Ramp IH 43 NB - over IH 794 built?

It was built in 2008, making it 17 years old in 2025.

What condition is IH Ramp IH 43 NB - over IH 794 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2022.

How much traffic does IH Ramp IH 43 NB - over IH 794 carry?

About 5,500 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is IH Ramp IH 43 NB - over IH 794?

The structure is 551 ft (167.9 m) long with a longest span of 165 ft (50.3 m) and a deck 30 ft wide.

Who owns IH Ramp IH 43 NB - over IH 794?

It is owned by the State Highway Agency.